stacktemplate.h

来自「Thinking in C++, 2nd Edition, Volume 2. 」· C头文件 代码 · 共 29 行

//: C16:StackTemplate.h
// From Thinking in C++, 2nd Edition
// Available at http://www.BruceEckel.com
// (c) Bruce Eckel 2000
// Copyright notice in Copyright.txt
// Simple stack template
#ifndef STACKTEMPLATE_H
#define STACKTEMPLATE_H
#include "../require.h"

template<class T>
class StackTemplate {
  enum { ssize = 100 };
  T stack[ssize];
  int top;
public:
  StackTemplate() : top(0) {}
  void push(const T& i) {
    require(top < ssize, "Too many push()es");
    stack[top++] = i;
  }
  T pop() {
    require(top > 0, "Too many pop()s");
    return stack[--top];
  }
  int size() { return top; }
};
#endif // STACKTEMPLATE_H ///:~